EASY
Diploma
IMPORTANT
Earn 100

Classify the following as either discrete or continuous data. The number of laptop bags that you have.

Important Questions on Representing Data: Statistics for Univariate Data

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Diploma
IMPORTANT
Ben is studying the average height of students who attend his school. Choose from convenience, simple random, systematic, stratified or quota to classify each of the following sampling techniques that Ben might use.
A sample of 100 students is taken by organising the students' names by classification (freshman, sophomore, junior or senior), and then selecting 25 students from each classification.
EASY
Diploma
IMPORTANT
Ben is studying the average height of students who attend his school. Choose from convenience, simple random, systematic, stratified or quota to classify each of the following sampling techniques that Ben might use.
A random name is chosen. Starting with that student, every 50th student is chosen until 80 students are included in the sample.
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Diploma
IMPORTANT
Ben is studying the average height of students who attend his school. Choose from convenience, simple random, systematic, stratified or quota to classify each of the following sampling techniques that Ben might use.
A completely random method is used to select 100 students. Each student has the same probability of being chosen at any stage of the sampling process.
EASY
Diploma
IMPORTANT
Ben is studying the average height of students who attend his school. Choose from convenience, simple random, systematic, stratified or quota to classify each of the following sampling techniques that Ben might use.
The population of the school consists of 70%mathematicians and 30% non-mathematicians. Seven mathematicians and three non-mathematicians are chosen from each grade.
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Diploma
IMPORTANT

 Determine the type of sampling technique used in each case. Choose from convenience, simple random, systematic, stratified or quota sample.

A local newspaper selects to interview people at the seaside. It specifies that 90% of those interviewed must be local residents and 10% must be tourists.

EASY
Diploma
IMPORTANT
 Determine the type of sampling technique used in each case. Choose from convenience, simple random, systematic, stratified or quota sample.
A DJ chooses every fourth song on a playlist.
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Diploma
IMPORTANT
Determine the type of sampling technique used in each case. Choose from convenience, simple random, systematic, stratified or quota sample.
The mathematics club uses a computer generate 50 random numbers and then picks students whose names correspond to the numbers.
EASY
Diploma
IMPORTANT
This set of raw data shows the waiting time, in minutes, at a fast food restaurant.
13,1.3,8,5,9.25,10,7.1,3,2,9,18,15,6,8,2.25,1,7,12,9,14,16,11,7,8,6.8,11,20,5,4.2,3.4
Is the data discrete or continuous?